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Sensors

MAX30102 Heart Rate and Pulse Oximeter Sensor

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LKSEN00010

MAX30102 Heart Rate and Pulse Oximeter Sensor module uses a red LED (660nm), infrared LED (880nm), and photodetector to approximate blood oxygen content and heart rate pulses. The sensor can be placed on a finger, wrist, or other area with significant blood flow to measure these parameters.

Rs.550.00 Rs.1,200.00

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MAX30102 Heart Rate and Pulse Oximeter Sensor

The MAX30102 is an integrated pulse oximetry and heart-rate monitor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient light rejection. Here are the detailed specifications and features of the MAX30102 module:

Specifications

  • Power Supply Voltage: Operating Voltage: 1.8V and 3.3V for LEDs
  • Current Consumption: Idle mode: 0.7µA / Active mode: Varies with configuration, typically around 600µA to 1.8mA for heart rate measurement
  • Measurement Range:
    • Heart rate: 30 to 240 beats per minute (bpm)
    • SpO2 (blood oxygen level): 0% to 100%
  • LED Wavelengths:
    • Red LED: 660 nm
    • Infrared LED: 880 nm
  • Communication Interface:
    • I2C (Inter-Integrated Circuit) protocol
    • I2C Address: 0x57 (7-bit)
  • Dimensions: Small form factor, typically around 14mm x 14mm

Pin Configuration

  • VIN: Power supply input (1.8V to 5.5V)
  • GND: Ground
  • SCL: I2C clock
  • SDA: I2C data
  • INT: Interrupt output (optional)
  • RD: Red LED power (optional, can be left unconnected if not used)
  • IR: Infrared LED power (optional, can be left unconnected if not used)

Features

  • Heart Rate Monitoring: Measures heart rate using photoplethysmography (PPG) by detecting blood volume changes in the microvascular bed of tissue.
  • Pulse Oximetry: Measures SpO2 (blood oxygen saturation) by using red and infrared LEDs to measure the amount of oxygenated and deoxygenated hemoglobin.
  • Low Power Consumption: Optimized for battery-powered applications with ultra-low power consumption.
  • High Sensitivity: High-sensitivity photodetectors ensure accurate measurements even with low perfusion.
  • Ambient Light Rejection: Built-in ambient light cancellation for accurate readings under various lighting conditions.
  • I2C Communication: Simple communication with microcontrollers via the I2C protocol.

A module datasheet can be found here.

Working Principle and Code:

For More Details Please Refer to this Link: What is MAX30102 Heart Rate Sensor | LK-Tronics

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